我对 ubuntu 很陌生，慢慢地了解它，但我似乎经常遇到蓝牙连接问题。它一直运行良好，直到我完成了建议的更新，现在我无法连接到蓝牙扬声器。
我跑了sudo service bluetooth status：
? bluetooth.service - Bluetooth service
Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset
Active: active (running) since Thu 2018-01-11 23:33:41 GMT; 13min ago
Docs: man:bluetoothd(8)
Main PID: 4236 (bluetoothd)
Status: "Running"
CGroup: /system.slice/bluetooth.service
??4236 /usr/lib/bluetooth/bluetoothd
bluetoothd[4236]: Not enough free handles to
bluetoothd[4236]: Sap driver initialization
bluetoothd[4236]: sap-server: Operation not
bluetoothd[4236]: Endpoint registered: sende
bluetoothd[4236]: Endpoint registered: sende
bluetoothd[4236]: connect error: Permission
bluetoothd[4236]: connect error: Too many le
bluetoothd[4236]: connect error: Permission
bluetoothd[4236]: GLib: …bluetooth ×1